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Neon laser with wavelength λ= 585.3 nm pumped by pulsed inductive longitudinal discharge
Razhev A.M.
, Churkin D.S.
1,2, Tkachenko R.A.
1,2
1Institute of Laser Physics of the Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk State University, Novosibirsk, Russia
2Novosibirsk State University, Novosibirsk, Russia
Email: razhev@laser.nsc.ru, churkin@laser.nsc.ru, tkachenkora23@yandex.ru
The article presents the results of experimental studies of the energy, temporal, and spatial characteristics of the Penning neon laser generation (λ= 585.3 nm) pumped by a pulsed inductive longitudinal discharge. A Ne-H2 gas mixture was used as an active medium. The maximum generation energy of 0.14 mJ was obtained in a Ne : H2 - 1 : 2 mixture. The radiation power reached 700 W with an optical generation pulse duration of 200 ns (FWHM). The laser beam had a cross-sectional shape close to a circle with a divergence of no more than 2 mrad. Based on the analysis of the amplitude-temporal characteristics of laser generation and inductive discharge current pulses, it is assumed that laser generation at a wavelength of 585.3 nm in a pulsed inductive longitudinal discharge occurs as a result of population of the upper laser level by electron impact, with Penning depopulation of the lower laser level by hydrogen molecules. Keywords: pulsed inductive longitudinal discharge, Penning laser, yellow laser, inductive neon laser, pulsed power.
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